package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.constants.user.UserRelationConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ArticleBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import io.swagger.annotations.Api;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    RedisTemplate<String, String> redisTemplate;

    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
        //{"isfollow":true,"islike":true,"isunlike":false,"iscollection":true}
        boolean isfollow = false, islike = false, isunlike = false, iscollection = false;
        //1. 判断用户是否登录
        ApUser user = AppThreadLocalUtils.getUser();
        //2. 未登录 直接将 4种行为 均返回false
        if (user==null) {
            Map<String, Object> resultMap = new HashMap<>();
            resultMap.put("isfollow",isfollow);
            resultMap.put("islike",islike);
            resultMap.put("isunlike",isunlike);
            resultMap.put("iscollection",iscollection);
            return ResponseResult.okResult(resultMap);
        }
        //3. 如果登录
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry==null) {
            CustException.cust(AppHttpCodeEnum.DATA_EXIST);
        }
        //4. 查询行为实体
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        //5. 根据行为实体 文章ID查询 是否点赞
        ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (apLikesBehavior!=null) {
            islike=true;
        }
        //6. 根据行为实体 文章ID查询 是否不喜欢
        ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
        if (apUnlikesBehavior!=null) {
            isunlike=true;
        }
        //7. 根据行为实体 文章ID查询 是否收藏
        ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
        if (apCollection!=null) {
            iscollection=true;
        }
        //8. 更具登录用户id 去redis中查询是否关注该作者
        Double score = redisTemplate.opsForZSet().score(UserRelationConstants.FOLLOW_LIST + user.getId(), dto.getEquipmentId().toString());
        if (score!=null) {
            isfollow=true;
        }
        //9. 封装结果 返回
        Map<String, Object> resultMap = new HashMap<>();
        resultMap.put("isfollow",isfollow);
        resultMap.put("islike",islike);
        resultMap.put("isunlike",isunlike);
        resultMap.put("iscollection",iscollection);
        return ResponseResult.okResult(resultMap);
    }
}
